The Photovoltaic Geographical Information System (PVGIS) is a web application for the estimation of the performance of photovoltaic
(PV) systems in Europe and Africa, which has become widely used by the PV community in Europe. We here present the results
of adapting the solar radiation data calculated from satellite data in the Climate Monitoring Satellite Application Facility (CM-SAF) to
PVGIS. The CM-SAF solar radiation database is characterized by very low overall bias and shows good accuracy at validation sites. The
application to PVGIS brings important improvements relative to the existing solar radiation databases within PVGIS.